400704068 has 24 divisors (see below), whose sum is σ = 732443712. Its totient is φ = 191451744.

The previous prime is 400703959. The next prime is 400704089. The reversal of 400704068 is 860407004.

It is a super-2 number, since 2×400704068² = 321127500223497248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 400704068.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148346 + ... + 151022.

It is an arithmetic number, because the mean of its divisors is an integer number (30518488).

Almost surely, 2^400704068 is an apocalyptic number.

It is an amenable number.

400704068 is a deficient number, since it is larger than the sum of its proper divisors (331739644).

400704068 is a wasteful number, since it uses less digits than its factorization.

400704068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331 (or 4329 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 400704068 is about 20017.5939613131. The cubic root of 400704068 is about 737.2383477827.

The spelling of 400704068 in words is "four hundred million, seven hundred four thousand, sixty-eight".